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Add an optional --vmtest-web flag that starts an HTTP server showing a live dashboard for vmtest runs. The dashboard includes: - Step progress tracker showing all test phases (compile, image prep, QEMU launch, agent connect, tailscale up, test-specific steps) with status icons and elapsed times - Per-VM "virtual monitor" cards showing serial console output streamed in realtime via WebSocket - Per-NIC DHCP status (supporting multi-homed VMs like subnet routers) - Per-node Tailscale status (hidden for non-tailnet VMs) - Test status badge (Running/Passed/Failed) with live elapsed timer - Event log showing all lifecycle events chronologically Architecture follows the existing util/eventbus HTMX+WebSocket pattern: the server pushes HTML fragments with hx-swap-oob attributes over a WebSocket, and HTMX routes them to the correct DOM elements by ID. Key components: - vmstatus.go: Step tracker (Begin/End lifecycle), EventBus (pub/sub with history for late joiners), VMEvent types, NodeStatus tracking - web.go: HTTP server, WebSocket handler, template loading, ANSI-to-HTML conversion via robert-nix/ansihtml, deterministic port selection - assets/: HTML templates, CSS, HTMX library (copied from eventbus) - vnet/vnet.go: DHCP event callback on Server for observing DHCP lifecycle - qemu.go: Console log file tailing with manual offset-based reading Usage: go test ./tstest/natlab/vmtest/ --run-vm-tests --vmtest-web=:0 -v When using :0, a deterministic port based on the test name is tried first so re-runs get the same URL, falling back to OS-assigned on conflict. Updates #13038 Change-Id: I45281347b3d7af78ed9f4ff896033984f84dcb4d Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
20 lines
788 B
Nix
20 lines
788 B
Nix
# This is a shell.nix file used to describe the environment that
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# tailscale needs for development.
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#
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# For more information about this and why this file is useful, see here:
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# https://nixos.org/guides/nix-pills/developing-with-nix-shell.html
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#
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# Also look into direnv: https://direnv.net/, this can make it so that you can
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# automatically get your environment set up when you change folders into the
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# project.
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(import (
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let
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lock = builtins.fromJSON (builtins.readFile ./flake.lock);
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in fetchTarball {
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url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
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sha256 = lock.nodes.flake-compat.locked.narHash; }
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) {
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src = ./.;
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}).shellNix
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# nix-direnv cache busting line: sha256-ruRbOB2W9snyOYY0+6OD5IndI/JJKqrhTuPlBsKikRc=
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